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我創建一個條形圖這樣的條形圖:皮條客與預定義的顏色
cyl.am <- ggplot(mtcars, aes(x = factor(cyl), fill = factor(am)))
cyl.am +
geom_bar()
,我想用我自己的顏色香料它一點。然而,當我這樣做:
cbbPalette <- c("#000000", "#E69F00")
cyl.am +
geom_bar() +
scale_fill_brewer(palette = cbbPalette)
我收到以下警告消息,對這裏出了什麼問題的任何想法?
Warning messages:
1: In if (!palette %in% unlist(brewer)) { :
the condition has length > 1 and only the first element will be used
2: In pal_name(palette, type) : Unknown palette #000000#E69F00